Home / 35,985.76-53,979.32-12,298.74

Finding the Fourth Proportional to 35,985.76, 53,979.32 and 12,298.74

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Solution

The fourth proportional to 35,985.76, 53,979.32 and 12,298.74 is: 18,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,985.76 : 53,979.32 = 12,298.74 : x
  2. Step 2: Convert to fraction form
    35,985.76/53,979.32 = 12,298.74/x
  3. Step 3: Cross multiply
    35,985.76x = 53,979.32 × 12,298.74
  4. Step 4: Simplify right side
    35,985.76x = 663,877,622.06
  5. Step 5: Solve for x
    x = 663,877,622.06/35,985.76
  6. Step 6: Final answer
    x = 18,448.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.